Inventor
MIHARA TAKAO
JP3 patents
Patents
3 patentsUS4560931ADec 24, 1985
Self-propelled mobile pipeline inspection apparatus and method for inspecting pipelines
KUBOTA LTD59 citations94
US4371775AFeb 1, 1983
Method and apparatus for plasma welding
KUBOTA LTD17 citations77
US4477711AOct 16, 1984
Method and apparatus for plasma welding
KUBOTA LTD2 citations58